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  <title>Queries whether a connection is established to a Messaging Server</title>

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</div><hr /><div id="samconnection.isconnected" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SAMConnection::isConnected</h1>
  <p class="verinfo">(PECL sam &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">SAMConnection::isConnected</span> &mdash; <span class="dc-title">
   Queries whether a connection is established to a Messaging Server
  </span></p>

 </div>

 <div class="refsect1 description" id="refsect1-samconnection.isconnected-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>SAMConnection::isConnected</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Calling the &quot;isConnected&quot; method on a Connection object will check whether
   the PHP script is connected to a messaging server. No messages can be sent
   or received unless a connection has been established with a Messaging
   server.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-samconnection.isconnected-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   This method returns <strong><code>TRUE</code></strong> if the SAMConnection object is successfully
   connected to a Messaging server or <strong><code>FALSE</code></strong> otherwise.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-samconnection.isconnected-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4431">
    <p><strong>Example #1 Checking whether there us a connection to a Messaging Server</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isConnected</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'Connection&nbsp;is&nbsp;active.'</span><span style="color: #007700">;<br />}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">'No&nbsp;active&nbsp;connection!'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-samconnection.isconnected-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><a href="samconnection.disconnect.html" class="xref">SAMConnection::disconnect</a></li>
    <li class="member"><a href="samconnection.connect.html" class="xref">SAMConnection::connect</a></li>
   </ul>
  </p>
 </div>


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